42_C_PISCINE/C/c05v4/ex04/ft_fibonacci.c

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2023-05-17 12:45:25 -04:00
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_fibonacci.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/07/20 10:23:01 by cchauvet #+# #+# */
/* Updated: 2022/07/25 17:30:54 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
int ft_fibonacci(int index)
{
if (index == 0)
return (0);
if (index == 1)
return (1);
if (index < 0)
return (-1);
return (ft_fibonacci(index - 1) + ft_fibonacci(index - 2));
}